13001251551 has 32 divisors (see below), whose sum is σ = 19007447040. Its totient is φ = 7868130816.

The previous prime is 13001251489. The next prime is 13001251553. The reversal of 13001251551 is 15515210031.

It is not a de Polignac number, because 13001251551 - 2²⁶ = 12934142687 is a prime.

It is a super-3 number, since 3×13001251551³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001251553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603630 + ... + 1611716.

It is an arithmetic number, because the mean of its divisors is an integer number (593982720).

Almost surely, 2^13001251551 is an apocalyptic number.

13001251551 is a deficient number, since it is larger than the sum of its proper divisors (6006195489).

13001251551 is a wasteful number, since it uses less digits than its factorization.

13001251551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 13001251551 its reverse (15515210031), we get a palindrome (28516461582).

The spelling of 13001251551 in words is "thirteen billion, one million, two hundred fifty-one thousand, five hundred fifty-one".