155116710162978 has 8 divisors (see below), whose sum is σ = 310233420325968. Its totient is φ = 51705570054324.

The previous prime is 155116710162941. The next prime is 155116710162983. The reversal of 155116710162978 is 879261017611551.

It is a sphenic number, since it is the product of 3 distinct primes.

155116710162978 is an admirable number.

It is a super-2 number, since 2×155116710162978² (a number of 29 digits) contains 22 as substring.

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, 12926392513576 + ... + 12926392513587.

It is an arithmetic number, because the mean of its divisors is an integer number (38779177540746).

Almost surely, 2^{155116710162978} is an apocalyptic number.

155116710162978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155116710162978 is a wasteful number, since it uses less digits than its factorization.

155116710162978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25852785027168.

The product of its (nonzero) digits is 6350400, while the sum is 60.

The spelling of 155116710162978 in words is "one hundred fifty-five trillion, one hundred sixteen billion, seven hundred ten million, one hundred sixty-two thousand, nine hundred seventy-eight".