51240540015202 has 32 divisors (see below), whose sum is σ = 79548239877120. Its totient is φ = 24725286304320.

The previous prime is 51240540015149. The next prime is 51240540015211. The reversal of 51240540015202 is 20251004504215.

It is a super-2 number, since 2×51240540015202² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302452052 + ... + 1302491392.

It is an arithmetic number, because the mean of its divisors is an integer number (2485882496160).

Almost surely, 2^{51240540015202} is an apocalyptic number.

51240540015202 is a deficient number, since it is larger than the sum of its proper divisors (28307699861918).

51240540015202 is a wasteful number, since it uses less digits than its factorization.

51240540015202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49266.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 51240540015202 its reverse (20251004504215), we get a palindrome (71491544519417).

The spelling of 51240540015202 in words is "fifty-one trillion, two hundred forty billion, five hundred forty million, fifteen thousand, two hundred two".