1015515154131 has 16 divisors (see below), whose sum is σ = 1366723507968. Its totient is φ = 670658904800.

The previous prime is 1015515154127. The next prime is 1015515154141. The reversal of 1015515154131 is 1314515155101.

It is a cyclic number.

It is not a de Polignac number, because 1015515154131 - 2² = 1015515154127 is a prime.

It is a super-4 number, since 4×1015515154131⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1015515154092 and 1015515154101.

It is not an unprimeable number, because it can be changed into a prime (1015515154141) 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, 16092661 + ... + 16155641.

It is an arithmetic number, because the mean of its divisors is an integer number (85420219248).

Almost surely, 2^{1015515154131} is an apocalyptic number.

1015515154131 is a deficient number, since it is larger than the sum of its proper divisors (351208353837).

1015515154131 is a wasteful number, since it uses less digits than its factorization.

1015515154131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113322.

The product of its (nonzero) digits is 7500, while the sum is 33.

The spelling of 1015515154131 in words is "one trillion, fifteen billion, five hundred fifteen million, one hundred fifty-four thousand, one hundred thirty-one".