7515057113 has 4 divisors (see below), whose sum is σ = 7515383568. Its totient is φ = 7514730660.

The previous prime is 7515057103. The next prime is 7515057119. The reversal of 7515057113 is 3117505157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3117505157 = 13 ⋅239808089.

It is a cyclic number.

It is not a de Polignac number, because 7515057113 - 2⁶ = 7515057049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7515057119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125843 + ... + 175688.

It is an arithmetic number, because the mean of its divisors is an integer number (1878845892).

Almost surely, 2^7515057113 is an apocalyptic number.

It is an amenable number.

7515057113 is a deficient number, since it is larger than the sum of its proper divisors (326455).

7515057113 is a wasteful number, since it uses less digits than its factorization.

7515057113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326454.

The product of its (nonzero) digits is 18375, while the sum is 35.

The square root of 7515057113 is about 86689.4290729844. The cubic root of 7515057113 is about 1958.7428694962.

The spelling of 7515057113 in words is "seven billion, five hundred fifteen million, fifty-seven thousand, one hundred thirteen".