15053420511 has 32 divisors (see below), whose sum is σ = 23118324480. Its totient is φ = 9673056288.

The previous prime is 15053420483. The next prime is 15053420513. The reversal of 15053420511 is 11502435051.

It is not a de Polignac number, because 15053420511 - 2⁹ = 15053419999 is a prime.

It is a super-2 number, since 2×15053420511² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15053420513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36480 + ... + 177306.

It is an arithmetic number, because the mean of its divisors is an integer number (722447640).

Almost surely, 2^15053420511 is an apocalyptic number.

15053420511 is a deficient number, since it is larger than the sum of its proper divisors (8064903969).

15053420511 is a wasteful number, since it uses less digits than its factorization.

15053420511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140980 (or 140974 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 15053420511 its reverse (11502435051), we get a palindrome (26555855562).

The spelling of 15053420511 in words is "fifteen billion, fifty-three million, four hundred twenty thousand, five hundred eleven".