15255120415 has 32 divisors (see below), whose sum is σ = 19779396480. Its totient is φ = 11260322304.

The previous prime is 15255120409. The next prime is 15255120481. The reversal of 15255120415 is 51402155251.

It is not a de Polignac number, because 15255120415 - 2¹⁹ = 15254596127 is a prime.

It is a super-3 number, since 3×15255120415³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6258577 + ... + 6261013.

It is an arithmetic number, because the mean of its divisors is an integer number (618106140).

Almost surely, 2^15255120415 is an apocalyptic number.

15255120415 is a deficient number, since it is larger than the sum of its proper divisors (4524276065).

15255120415 is a wasteful number, since it uses less digits than its factorization.

15255120415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 15255120415 its reverse (51402155251), we get a palindrome (66657275666).

The spelling of 15255120415 in words is "fifteen billion, two hundred fifty-five million, one hundred twenty thousand, four hundred fifteen".