155276794004 has 12 divisors (see below), whose sum is σ = 271738033728. Its totient is φ = 77637355800.

The previous prime is 155276793983. The next prime is 155276794051. The reversal of 155276794004 is 400497672551.

It is a happy number.

It is a super-2 number, since 2×155276794004² (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 3 ways as a sum of consecutive naturals, for example, 145559 + ... + 575969.

It is an arithmetic number, because the mean of its divisors is an integer number (22644836144).

Almost surely, 2^155276794004 is an apocalyptic number.

It is an amenable number.

155276794004 is a deficient number, since it is larger than the sum of its proper divisors (116461239724).

155276794004 is a wasteful number, since it uses less digits than its factorization.

155276794004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520606 (or 520604 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 155276794004 in words is "one hundred fifty-five billion, two hundred seventy-six million, seven hundred ninety-four thousand, four".