155410961472 has 672 divisors, whose sum is σ = 535547011200. Its totient is φ = 44019376128.

The previous prime is 155410961449. The next prime is 155410961507. The reversal of 155410961472 is 274169014551.

155410961472 is a `hidden beast` number, since 1 + 5 + 5 + 410 + 96 + 147 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205298118 + ... + 205298874.

Almost surely, 2^155410961472 is an apocalyptic number.

155410961472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155410961472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267773505600).

155410961472 is an abundant number, since it is smaller than the sum of its proper divisors (380136049728).

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

155410961472 is a wasteful number, since it uses less digits than its factorization.

155410961472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 155410961472 in words is "one hundred fifty-five billion, four hundred ten million, nine hundred sixty-one thousand, four hundred seventy-two".