10542115550 has 48 divisors (see below), whose sum is σ = 20519624160. Its totient is φ = 4021923840.

The previous prime is 10542115541. The next prime is 10542115559. The reversal of 10542115550 is 5551124501.

It is an interprime number because it is at equal distance from previous prime (10542115541) and next prime (10542115559).

It is a super-2 number, since 2×10542115550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10542115559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392966 + ... + 418934.

It is an arithmetic number, because the mean of its divisors is an integer number (427492170).

Almost surely, 2^10542115550 is an apocalyptic number.

10542115550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10542115550 is a deficient number, since it is larger than the sum of its proper divisors (9977508610).

10542115550 is a wasteful number, since it uses less digits than its factorization.

10542115550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26357 (or 26352 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 10542115550 in words is "ten billion, five hundred forty-two million, one hundred fifteen thousand, five hundred fifty".