1154015513 has 12 divisors (see below), whose sum is σ = 1343266560. Its totient is φ = 988537032.

The previous prime is 1154015509. The next prime is 1154015519. The reversal of 1154015513 is 3155104511.

It is not a de Polignac number, because 1154015513 - 2² = 1154015509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154015519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82868 + ... + 95786.

It is an arithmetic number, because the mean of its divisors is an integer number (111938880).

Almost surely, 2^1154015513 is an apocalyptic number.

It is an amenable number.

1154015513 is a deficient number, since it is larger than the sum of its proper divisors (189251047).

1154015513 is a wasteful number, since it uses less digits than its factorization.

1154015513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14756 (or 14749 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1154015513 is about 33970.8038321144. The cubic root of 1154015513 is about 1048.9075600953.

The spelling of 1154015513 in words is "one billion, one hundred fifty-four million, fifteen thousand, five hundred thirteen".