11615051012 has 6 divisors (see below), whose sum is σ = 20326339278. Its totient is φ = 5807525504.

The previous prime is 11615051011. The next prime is 11615051017. The reversal of 11615051012 is 21015051611.

It can be written as a sum of positive squares in only one way, i.e., 11464841476 + 150209536 = 107074^2 + 12256^2 .

It is a super-2 number, since 2×11615051012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11615051011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1451881373 + ... + 1451881380.

It is an arithmetic number, because the mean of its divisors is an integer number (3387723213).

Almost surely, 2^11615051012 is an apocalyptic number.

It is an amenable number.

11615051012 is a deficient number, since it is larger than the sum of its proper divisors (8711288266).

11615051012 is a wasteful number, since it uses less digits than its factorization.

11615051012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903762757 (or 2903762755 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 23.

The spelling of 11615051012 in words is "eleven billion, six hundred fifteen million, fifty-one thousand, twelve".