155405052310 has 16 divisors (see below), whose sum is σ = 280683806256. Its totient is φ = 61949862688.

The previous prime is 155405052307. The next prime is 155405052329. The reversal of 155405052310 is 13250504551.

It is a super-2 number, since 2×155405052310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26516704 + ... + 26522563.

It is an arithmetic number, because the mean of its divisors is an integer number (17542737891).

Almost surely, 2^155405052310 is an apocalyptic number.

155405052310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155405052310 is a deficient number, since it is larger than the sum of its proper divisors (125278753946).

155405052310 is a wasteful number, since it uses less digits than its factorization.

155405052310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53039567.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 155405052310 its reverse (13250504551), we get a palindrome (168655556861).

The spelling of 155405052310 in words is "one hundred fifty-five billion, four hundred five million, fifty-two thousand, three hundred ten".