5161503540 has 48 divisors (see below), whose sum is σ = 14503688640. Its totient is φ = 1371498240.

The previous prime is 5161503533. The next prime is 5161503547. The reversal of 5161503540 is 453051615.

It is an interprime number because it is at equal distance from previous prime (5161503533) and next prime (5161503547).

It is a super-2 number, since 2×5161503540² = 53282237586865063200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5161503498 and 5161503507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161503547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136210 + ... + 169929.

It is an arithmetic number, because the mean of its divisors is an integer number (302160180).

Almost surely, 2^5161503540 is an apocalyptic number.

It is an amenable number.

5161503540 is an abundant number, since it is smaller than the sum of its proper divisors (9342185100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161503540 is a wasteful number, since it uses less digits than its factorization.

5161503540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306432 (or 306430 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 5161503540 is about 71843.6047258209. The cubic root of 5161503540 is about 1728.1923426479.

It can be divided in two parts, 516150 and 3540, that added together give a triangular number (519690 = T₁₀₁₉).

The spelling of 5161503540 in words is "five billion, one hundred sixty-one million, five hundred three thousand, five hundred forty".