520253400233155 has 32 divisors (see below), whose sum is σ = 627522582274560. Its totient is φ = 414059859544320.

The previous prime is 520253400233153. The next prime is 520253400233173. The reversal of 520253400233155 is 551332004352025.

It is not a de Polignac number, because 520253400233155 - 2¹ = 520253400233153 is a prime.

It is a super-2 number, since 2×520253400233155² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520253400233153) 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, 20509050282 + ... + 20509075648.

It is an arithmetic number, because the mean of its divisors is an integer number (19610080696080).

Almost surely, 2^{520253400233155} is an apocalyptic number.

520253400233155 is a deficient number, since it is larger than the sum of its proper divisors (107269182041405).

520253400233155 is a wasteful number, since it uses less digits than its factorization.

520253400233155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38379.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 520253400233155 in words is "five hundred twenty trillion, two hundred fifty-three billion, four hundred million, two hundred thirty-three thousand, one hundred fifty-five".