4951515156 has 48 divisors (see below), whose sum is σ = 13340186496. Its totient is φ = 1400131584.

The previous prime is 4951515139. The next prime is 4951515161. The reversal of 4951515156 is 6515151594.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295701 + ... + 311996.

It is an arithmetic number, because the mean of its divisors is an integer number (277920552).

Almost surely, 2^4951515156 is an apocalyptic number.

It is an amenable number.

4951515156 is an abundant number, since it is smaller than the sum of its proper divisors (8388671340).

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

4951515156 is a wasteful number, since it uses less digits than its factorization.

4951515156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607808 (or 607806 counting only the distinct ones).

The product of its digits is 135000, while the sum is 42.

The square root of 4951515156 is about 70367.0033183167. The cubic root of 4951515156 is about 1704.4307896587.

The spelling of 4951515156 in words is "four billion, nine hundred fifty-one million, five hundred fifteen thousand, one hundred fifty-six".