155354400051 has 16 divisors (see below), whose sum is σ = 208936223904. Its totient is φ = 102673154304.

The previous prime is 155354400017. The next prime is 155354400101. The reversal of 155354400051 is 150004453551.

It is not a de Polignac number, because 155354400051 - 2¹³ = 155354391859 is a prime.

It is a super-2 number, since 2×155354400051² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155354399985 and 155354400021.

It is not an unprimeable number, because it can be changed into a prime (155354400001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43425 + ... + 559101.

It is an arithmetic number, because the mean of its divisors is an integer number (13058513994).

Almost surely, 2^155354400051 is an apocalyptic number.

155354400051 is a deficient number, since it is larger than the sum of its proper divisors (53581823853).

155354400051 is a wasteful number, since it uses less digits than its factorization.

155354400051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516550.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 155354400051 in words is "one hundred fifty-five billion, three hundred fifty-four million, four hundred thousand, fifty-one".